How To Fix MDG_REF_DATA007 - System failure while connecting to target system with RFC connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_REF_DATA - Message Class for Reference Data messages

• Message number: 007

• Message text: System failure while connecting to target system with RFC connection &1

What causes this issue?

Error while connecting to target system using the RFC connection &V1&
with user &V2&.

System Response

Replication failed because of errors encountered while connecting to the
target system.

How to fix this error?

Check if the user ID exists in the target system for the logged on user
&V2&. It is a prerequisite that the user has the authorization to use
the RFC connection &V1&.
You can also contact the system administrator.

Procedure for System Administrators

Create user &V2& in the target system using the RFC connection &V1&.
Allow the user &V2& authorization for the RFC connection &V1&.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_REF_DATA007 - System failure while connecting to target system with RFC connection &1 ?

  The SAP error message MDG_REF_DATA007 indicates a system failure while attempting to connect to a target system using an RFC (Remote Function Call) connection. This error can occur in various scenarios, particularly in Master Data Governance (MDG) processes where data needs to be synchronized or validated against external systems.
  Causes:
  
  RFC Connection Issues: The RFC connection to the target system may not be configured correctly, or the target system may be down or unreachable.
  Authorization Problems: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Configuration Errors: Incorrect settings in the RFC destination configuration (transaction code SM59) can lead to connection failures.
  System Performance: The target system may be experiencing performance issues or may be overloaded, causing it to reject new connections.
  Transport Layer Issues: Problems with the transport layer (like firewall settings) can prevent successful communication between systems.
  
  Solutions:
  
  
  Check RFC Connection:
  
  Go to transaction code SM59 and verify the configuration of the RFC destination. Ensure that the connection type is correct and that the target system is reachable.
  Test the connection using the "Connection Test" option in SM59.
  
  
  
  Review Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations in both the source and target systems.
  
  
  
  Network Troubleshooting:
  
  Check network connectivity between the SAP system and the target system. You can use tools like ping or traceroute to diagnose network issues.
  
  
  
  Check Target System Status:
  
  Verify that the target system is up and running. Check for any performance issues or downtime.
  
  
  
  Review Logs:
  
  Check the system logs (transaction code SM21) and the application logs (transaction code SLG1) for any additional error messages that may provide more context about the failure.
  
  
  
  Firewall and Security Settings:
  
  Ensure that any firewalls or security settings are not blocking the RFC connection. Consult with your network/security team if necessary.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  SLG1: Application Log
  
  
  SAP Documentation: Refer to the official SAP Help Portal for documentation on MDG and RFC connections.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.